Funding for this research was provided by:
National Natural Science Foundation of China (31600912)
Major Project of National Social Science Foundation of China (18ZDA332)
Fundamental Research Funds for the Central Universities (2019NTSS30)
Article History
Accepted: 23 September 2020
First Online: 28 September 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: In conducting the studies reported in this manuscript, we have complied with APA ethical standards in the treatment of human subjects. The research has been reviewed and approved by the Committee of Protection of Subjects (ICNL IRB) at Beijing Normal University.
: Before being enrolled in the studies, all participants provided written informed consent.
: The participant has consented to the submission of the manuscript to the journal.